Table 2.
Mean (SD) differences for z-scores of height and weight, and mean differences with 95% levels of agreement for predicted height (cm) and weight (kg) between BiB1000 and PCHR data
| Assessment age | Mean BiB1000 height z-score(SD) | Mean PCHR height z-score (SD) | Mean height z-score (SD) difference | Mean difference in predicted height (95% level of agreement; mean differences ±1.96× SD) (cm) |
|---|---|---|---|---|
| 6 months | 0.49 (1.39) | 0.29 (1.16) | 0.21 (1.01) | 0.46 (−3.99 to 4.91) |
| 12 months | 0.12 (1.16) | 0.23 (1.27) | −0.10 (0.85) | −0.25 (−4.50 to 4.00) |
| 24 months | −0.23 (1.02) | −0.13 (1.02) | −0.10 (0.58) | −0.32 (−4.00 to 3.36) |
| Assessment age | Mean BiB1000 weight z-score(SD) | Mean PCHR weight z-score (SD) | Mean weight z-score (SD) difference | Mean difference in predicted weight (95% level of agreement; mean differences ±1.96× SD) (kg) |
| 6 months | −0.11 (1.06) | −0.07 (1.08) | −0.04 (0.37) | −0.04 (−0.67 to 0.59) |
| 12 months | 0.27 (1.07) | 0.33 (1.11) | −0.05 (0.44) | −0.06 (−1.10 to 0.98) |
| 24 months | 0.23 (1.02) | 0.33 (1.01) | −0.10 (0.35) | −0.14 (−1.19 to 0.91) |
PCHR, Personal Child Health Record.